<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <h1>socket tester</h1>
    <div id="app">
      <input
        placeholder="示例：zhyl.xyfk.com.cn:8443"
        id="input"
        type="text"
      /><br />
      <button id="send">send</button>
      <br />
    </div>
  </body>
  <script type="module" src="index.js"></script>
</html>
